Home / 57,308.18-85,961.88-31,179

Finding the Fourth Proportional to 57,308.18, 85,961.88 and 31,179

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Solution

The fourth proportional to 57,308.18, 85,961.88 and 31,179 is: 46,768.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,308.18 : 85,961.88 = 31,179 : x
  2. Step 2: Convert to fraction form
    57,308.18/85,961.88 = 31,179/x
  3. Step 3: Cross multiply
    57,308.18x = 85,961.88 × 31,179
  4. Step 4: Simplify right side
    57,308.18x = 2,680,205,456.52
  5. Step 5: Solve for x
    x = 2,680,205,456.52/57,308.18
  6. Step 6: Final answer
    x = 46,768.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.